87 is the largest, but if you run outdoor it might be risky.
1.5, 2, 2.5 are the tools you need
Battery brace
you don;t really need one
Shock ends
only for backup reasons
Rear hubs
only for backup reasons
Rear shock tower
only for backup reasons
6 deg castor
Front Hubs
only for backup reasons
Drive shaft caps
305240 definately need some but fortunately they are stronger now. I used to change them every 3 batteries now it's every 15